Issue #2898376 by Mile23, vegantriathlete, eojthebrave: clean up use of interfaces and trait

Author: vegantriathlete

content_entity_example/src/Entity/Contact.php

@@ -148,20 +148,6 @@ public static function preCreate(EntityStorageInterface $storage_controller, arr
     ];
   }
 
-  /**
-   * {@inheritdoc}
-   */
-  public function getCreatedTime() {
-    return $this->get('created')->value;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getChangedTime() {
-    return $this->get('changed')->value;
-  }
-
   /**
    * {@inheritdoc}
    */